<%@page import="java.sql.ResultSet"%>
<%@page import="java.sql.Statement"%>
<%@page import="java.sql.Connection"%>
<%@page import="java.sql.DriverManager"%>
<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>查询数据库</title>
<style type="text/css">
 h1{color:red;}
</style>
</head>
<body>
<h1>显示成语数据库的前5条记录</h1><%
 Class.forName("com.mysql.cj.jdbc.Driver");
 Connection cn=DriverManager.getConnection("jdbc:mysql://localhost:3306/db","root","12qwas");
 Statement stat=cn.createStatement();
 ResultSet rs=stat.executeQuery("select cy from chengyu limit 5");
 while(rs.next()){
 String cy=rs.getString(1);
	out.println("<p>"+cy+"</p>"); 
 }
 rs.close();
 stat.close();
 cn.close();
%>

</body>
</html>